import java.util.regex.*;
public class PatternIP {
  public static void main(String[] args) {
    Pattern p = Pattern
      .compile("(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})");
    Matcher m = p.matcher(args[0]);
    for (int nb=0; m.find(); ++nb) {
      try {
        int[] octets = new int [4];
        int i;
        for (i=0; i<4; ++i) { 
          octets[i] = Integer.parseInt(m.group(i+1));
          if (octets[i]>255) break;
        }
        if (i==4) // Les 4 entiers sont dans [0,255]
          System.out.println(octets[0] + "." + octets[1] + "." +
                 octets[2] + "." + octets[3]);
      } catch (NumberFormatException e) {} // On passe au prochain motif
    }
  }
}